Drying of a wet solid under constant drying conditions means the exposure of the wet solid to the air of constant______________________?

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Large scale drying of wheat is done in a ________________ dryer?

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Alcohol is dehydrated using ______________ distillation?

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The individual mass transfer co-efficients (moles/m2s) for absorption of a solute from a gas mixture into a liquid solvent are, KL = 4.5 and KG = 1.5. The slope of the equilibrium line is 3. Which of the following resistance (s) is (are) controlling ?

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Raschig ring made of porcelain cannot be used for treating concentrated___________________?

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